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Finding the Fourth Proportional to 11,160.67, 15,401.67 and 6,124.75

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Solution

The fourth proportional to 11,160.67, 15,401.67 and 6,124.75 is: 8,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.67 : 15,401.67 = 6,124.75 : x
  2. Step 2: Convert to fraction form
    11,160.67/15,401.67 = 6,124.75/x
  3. Step 3: Cross multiply
    11,160.67x = 15,401.67 × 6,124.75
  4. Step 4: Simplify right side
    11,160.67x = 94,331,378.33
  5. Step 5: Solve for x
    x = 94,331,378.33/11,160.67
  6. Step 6: Final answer
    x = 8,452.13

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Half scale
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Double scale
Find fourth proportional to 11,161.67, 15,403.05 and 6,125.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.